The Importance of Coding Skills in Cybersecurity

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If you cannot code, you will not go very far in cybersecurity, and you are easily replaceable. You need to be able to script and ideally navigate and assess a large code base. If you cannot do these things, eventually your card will get pulled, and you will be terminated.

Coding in cybersecurity doesn’t mean excelling at competitive programming or solving complex LeetCode problems. Instead, it means being able to read, understand, and manipulate code to identify vulnerabilities—especially business logic flaws that automated tools (like SAST) often miss.

You Should Know:

Essential Scripting Languages for Cybersecurity

  1. Python – The go-to language for automation, exploit development, and forensics.
    Simple port scanner in Python 
    import socket 
    target = "example.com" 
    for port in range(1, 100): 
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
    sock.settimeout(1) 
    result = sock.connect_ex((target, port)) 
    if result == 0: 
    print(f"Port {port} is open") 
    sock.close() 
    

2. Bash – Critical for Linux-based security tasks.

 Find files with SUID permissions (common privilege escalation vector) 
find / -perm -4000 2>/dev/null 
  1. PowerShell – Essential for Windows security and offensive operations.
    Check for active network connections (useful for malware analysis) 
    Get-NetTCPConnection | Where-Object { $_.State -eq "Established" } 
    

Key Commands for Security Professionals